{"paper":{"title":"A Fast Very High Energy $\\gamma$-ray Flare from BL Lacertae during a Period of Multiwavelength activity in June 2015","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. A. Nikiforova, A. Arbet Engels, A. Babi\\'c, A. Berti, A. Biland, A. De Angelis, A. Dom\\'inguez, A. Fattorini, A. Fern\\'andez-Barral, A. Hahn, A. L\\\"ahteenm\\\"aki, A. Lamastra, A. L\\'opez-Oramas, A. Moralejo, A. Niedzwiecki, A.P. Marscher, A. Rugliancich, A. Somero, A. Stamerra, B. Banerjee, B. De Lotto, C. Bigongiari, C. Fruck, C. Maggio, C. Nigro, C. Righi, D. A. Morozova, D. Baack, D. Dominis Prester, D. Dorner, D. Elsaesser, D. Fidalgo, D. Galindo, D. Guberman, D. Hadasch, D. Hrupec, D. Kuve\\v{z}di\\'c, D. Lelas, D. Mazin, D. Ninci, D. Paneque, D. Sobczynska, D. Zari\\'c, E. Bernardini, E. Colombo, E. Do Souto Espi\\~nera, E. Lindfors, E. Molina, E. Moretti, E. N. Kopatskaya, E. Prandini, F. D'Ammando, F. Dazzi, F. Di Pierro, F. Leone, F. Longo, F. Tavecchio, G.A.Borman, G. Bonnoli, G. Ceribella, G. Ferrara, G. Maneva, G. Pedaletti, G. Vanzo, H. Kubo, I. Agudo, I. Puljak, I. Vovk, I. \\v{S}nidari\\'c, J. A. Barrio, J. Becerra Gonz\\'alez, J. Besenrieder, J. Cortina, J. Delgado, J. Herrera, J. Hoang, J. Kushida, J. L. Contreras, J. M. Miranda, J. M. Paredes, J. Palacio, J. R. Garcia, J. Rico, J. Sitarek, J. van Scherpenberg, K. Hada, K. Ishio, K. Mannheim, K. Nilsson, K. Nishijima, K. Noda, K. Satalecka, L. A. Antonelli, L. Foffano, L. Font, L. Maraschi, L. Nogu\\'es, L. Saha, MAGIC collaboration: V. A. Acciari, M. Delfino, M. Doro, M. Garczarczyk, M. Gaug, M. L\\'opez, M. Makariev, M. Manganaro, M. Mariotti, M. Mart\\'inez, M. Minev, M. Nievas Rosillo, M. N\\\"othe, M. Peresano, M. Persic, M. Rib\\'o, M. Strzys, M. Teshima, M. Tornikoski, M. Vazquez Acosta, M. V. Fonseca, M. Will, M.Z. Mobeen, N. Godinovi\\'c, N. Torres-Alb\\`a, O. Blanch, P. Bangale, P. Colin, P. Da Vela, P. Giammaria, P. G. Prada Moroni, P. Majumdar, P. Munar-Adrover, P. Pe\\~nil, P. Temnikov, R. Carosi, R. J. Garc\\'ia L\\'opez, R. Mirzoyan, R. Paoletti, S. Ansoldi, S. Cikota, S. Covino, S. Einecke, S. Gallozzi, S. Inoue, S. Jorstad, S. Lombardi, S. Masuda, S. M. Colak, S. Paiano, S. Tsujimoto, T. Hassan, T. Saito, T. Schweizer, T. S. Grishina, T. Suri\\'c, T. Terzi\\'c, U. Barres de Almeida, V. D'Elia, V. Fallah Ramazani, V.M.Larionov, V. Moreno, V. Neustroev, W. Bednarek, W. Bhattacharyya, W. Rhode, Y. Iwamura","submitted_at":"2019-01-07T10:06:31Z","abstract_excerpt":"The mechanisms producing fast variability of the $\\gamma$-ray emission in active galactic nuclei are under debate. The MAGIC telescopes detected a fast very high energy (VHE, E$>100$ GeV) $\\gamma$-ray flare from BL Lacertae on 2015 June 15. The flare had a maximum flux of $(1.5\\pm 0.3)\\times 10^{-10}$ photons cm$^{-2}$ s$^{-1}$ and halving time of $26\\pm8$ minutes. The MAGIC observations were triggered by a high state in the optical and high energy (HE, E$>100$ MeV) $\\gamma$-ray bands. In this paper we present the MAGIC VHE $\\gamma$-ray data together with multiwavelength data from radio, optic"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.01733","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1901.01733/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}